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コンテンツは PyTorch, Edward Yang, and Team PyTorch によって提供されます。エピソード、グラフィック、ポッドキャストの説明を含むすべてのポッドキャスト コンテンツは、PyTorch, Edward Yang, and Team PyTorch またはそのポッドキャスト プラットフォーム パートナーによって直接アップロードされ、提供されます。誰かがあなたの著作物をあなたの許可なく使用していると思われる場合は、ここで概説されているプロセスに従うことができますhttps://ja.player.fm/legal。
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DataLoader with multiple workers leaks memory
Manage episode 301257355 series 2921809
コンテンツは PyTorch, Edward Yang, and Team PyTorch によって提供されます。エピソード、グラフィック、ポッドキャストの説明を含むすべてのポッドキャスト コンテンツは、PyTorch, Edward Yang, and Team PyTorch またはそのポッドキャスト プラットフォーム パートナーによって直接アップロードされ、提供されます。誰かがあなたの著作物をあなたの許可なく使用していると思われる場合は、ここで概説されているプロセスに従うことができますhttps://ja.player.fm/legal。
Today I'm going to talk about a famous issue in PyTorch, DataLoader with num_workers > 0 causes memory leak (https://github.com/pytorch/pytorch/issues/13246). This bug is a good opportunity to talk about DataSet/DataLoader design in PyTorch, fork and copy-on-write memory in Linux and Python reference counting; you have to know about all of these things to understand why this bug occurs, but once you do, it also explains why the workarounds help.
Further reading.
- A nice summary of the full issue https://github.com/pytorch/pytorch/issues/13246#issuecomment-905703662
- DataLoader architecture RFC https://github.com/pytorch/pytorch/issues/49440
- Cinder Python https://github.com/facebookincubator/cinder
83 つのエピソード
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Manage episode 301257355 series 2921809
コンテンツは PyTorch, Edward Yang, and Team PyTorch によって提供されます。エピソード、グラフィック、ポッドキャストの説明を含むすべてのポッドキャスト コンテンツは、PyTorch, Edward Yang, and Team PyTorch またはそのポッドキャスト プラットフォーム パートナーによって直接アップロードされ、提供されます。誰かがあなたの著作物をあなたの許可なく使用していると思われる場合は、ここで概説されているプロセスに従うことができますhttps://ja.player.fm/legal。
Today I'm going to talk about a famous issue in PyTorch, DataLoader with num_workers > 0 causes memory leak (https://github.com/pytorch/pytorch/issues/13246). This bug is a good opportunity to talk about DataSet/DataLoader design in PyTorch, fork and copy-on-write memory in Linux and Python reference counting; you have to know about all of these things to understand why this bug occurs, but once you do, it also explains why the workarounds help.
Further reading.
- A nice summary of the full issue https://github.com/pytorch/pytorch/issues/13246#issuecomment-905703662
- DataLoader architecture RFC https://github.com/pytorch/pytorch/issues/49440
- Cinder Python https://github.com/facebookincubator/cinder
83 つのエピソード
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